泰坦的影子凌土
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
凌日
天文·每日一图
金星与三个紫外光影像合成的太阳
An image of the Sun in three colors of ultraviolet light showing the transit circle of Venus and a deep coronal hole in dark blue. Please see the explanation for more detailed information.
这张三个波段的紫外光下的太阳图像，显示了金星凌日环和深蓝色的日冕洞。有关更多详细信息，请参阅说明。
天文·每日一图
太阳的暗斑
2021年06月26日 Pixels in the Sun Image Credit & Copyright: Wang Letian (Eyes at Night) Explanation: These two panels, composed of video frames made with a safe solar telescope and hydrogen alpha filter, show remarkably sharp details on the solar disk and giant prominences along the Sun’s edg
天文·每日一图
国际太空站掩火星
2020年9月23日 ISS Transits Mars Image Credit & Copyright: Tom Glenn Explanation: Yes, but have you ever seen the space station do this? If you know when and where to look, watching the bright International Space Station (ISS) drift across your night sky is a fascinating sight — but not very
天文·每日一图
金星的大气
2020 June 8 Atmospheric Ring of Venus Image Credit & Copyright: Pete Lawrence (Digital Sky) Explanation: Why is Venus surrounded by a bright ring? Sometimes called a ring of fire, this rare ring is caused by the Sun’s light being visible all around an object. Usually seen around the Moon
天文·每日一图
曙光时分的三重彩
2020 February 20 Trifecta at Twilight Image Credit & Copyright: Paul Schmit, Gary Schmit Explanation: On February 18, as civil twilight began in northern New Mexico skies, the International Space Station, a waning crescent Moon, and planet Mars for a moment shared this well-planned single field
天文·每日一图
水星凌日
2019 December 2 Mercury Crosses a Quiet Sun Video Credit: NASA, SDO, NASA’s Science Visualization Studio; Music: Gustav Sting (Kevin MacLeod) via YouTube Explanation: What’s that black dot crossing the Sun? The planet Mercury. Mercury usually passes over or under the Sun, as seen from Ea
天文·每日一图
水星和平静的太阳
2019 November 14 Mercury and the Quiet Sun Image Credit & Copyright: John Chumack Explanation: On November 11, 2019 the Sun was mostly quiet, experiencing a minimum in its 11 year cycle of activity. In fact, the only spot visible was actually planet Mercury, making a leisurely 5 1/2 hour transit
NASA·每日一图
水星凌日
The planet Mercury is seen in silhouette, low center, as it transits across the face of the Sun, Monday, Nov. 11, 2019, from Washington, D.C. Mercury’s last transit was in 2016. The next won’t happen again until 2032. Image Credit: NASA/Bill Ingalls 2011年11月11日，星期一，在华盛顿特区，水星在穿过太阳表面的过程中出现了一个低中心的剪影。水星
天文·每日一图
水星的剪影
2019 November 13 Mercury in Silhouette Image Credit & Copyright: Martin Wise Explanation: The small, dark, round spot in this solar close up is planet Mercury. In the high resolution telescopic image, a colorized stack of 61 sharp video frames, a turbulent array of photospheric convection cells